CMS1500 Gas Mass Flow Meter User`s Manual
Contents
1. Allowable load resistance 300 Q max Even if the measurement range is exceeded output remains less than 24 mA Output scaling function 6 Selectable from 0 to 300 0 to 600 0 to 900 0 to 1500 L min Factory setting 0 to 1500 L min Event output Number of outputs 2 Type Open collector absolute maximum ratings 30 Vdc 50 mA Totalizer pulse output width 100 ms 10 Totalizer pulse output weight 20 10 100 1000 L 1 pulse Chapter 6 SPECIFICATIONS Item Specifications External input Number of inputs 1 integrated count reset only Remote circuit type Circuit type on other side Contact OFF terminal voltage 45 1V Contact ON terminal current Approx 0 5 mA current flowing to contact Allowable ON contact resistance 250 Q max Allowable OFF contact resistance 100 kQ min Allowable ON residual voltage 0 8 V max open collector on other side Allowable OFF leakage current 50 pA max open collector on other side No voltage contact or open collector Serial data output Open collector rated 30 Vdc 50 mA Gas type switching function Selection of air nitrogen argon carbon dioxide CO2 using the control panel keys Gas type setup function Gas type conversion factor between 0 100 and 8 000 can be set using the control panel keys Electrical connection Harness with a special connector optional Mating connector Hirose El2. A description was added to Display OFF mode section Specifications was changed Note 2 was changed A description was added Korea certification mark was added azbil Azbil Corporation Advanced Automation Company 1 12 2 Kawana Fujisawa Kanagawa 251 8522 Japan URL http www azbil com Specifications are subject to change without notice 09 1st edition Aug 2001 6th edition Mar 2013 Cc Vv
3. CMS1500 No CP SP 1119E Gas Mass Flow Meter User s Manual Azbil Corporation Thank you for purchasing this product This manual contains information for ensuring the correct use of the CMS1500 It also provides neces sary information for installation maintenance and troubleshooting This manual should be read by those who design and maintain equipment that uses the CMS1500 Be sure to keep this manual nearby for handy reference Please read the Terms and Conditions from the following URL before ordering or use http www azbil com products bi order html NOTICE Be sure that the user receives this manual before the product is used Copying or duplicating this user s manual in part or in whole is forbidden The information and specifications in this manual are subject to change without notice Considerable effort has been made to ensure that this manual is free from inaccuracies and omissions If you should find an error or omission please contact the azbil Group In no event is Azbil Corporation liable to anyone for any indirect special or consequential damages as a result of using this product 2001 2013 Azbil Corporation All Rights Reserved uF Micro Flow and Micro Flow Sensor are trademarks of Azbil Corporation in Japan Conventions Used in This Manual E To prevent injury to the operator and others and to prevent property damage the following types of safety precau
4. jos p A B B A Different diameter socket Different diameter socket 5D 3D gt cms cms gt A B B A D indicates the connecting port size CMS1500 25 mm In case of same diameter piping diameters A and B are the same a straight pipe section is not required Upstream elbow Downstream elbow A gt A n t CMS CMS B B Upstream ball valve Downstream ball valve a valve whose structure does a valve whose structure not disturb the gas flow does not disturb the gas flow 4 ft cms CMS j EF A B B A C Handling Precautions e When using a valve that disturbs the gas flow such as a but terfly valve put a 5D straight pipe section between the CMS and the valve Chapter 3 MOUNTING AND WIRING e Coating sealant Coat with an appropriate amount of sealant Do not coat the top two threads of the screw Remove any dirt or burrs from inside the pipes Correct O Wrong q Sealant e Connecting Pipes Connect pipes while gripping the hexagonal section of the pipe connection port with a spanner or wrench Sealant Resin cover Flange Hexagonal section OQ Handling Precautions Do not grip and turn the body Doing so might damage the body or cause leakage When connecting pipes do not grasp the resin cover Doing so might damage the cover e Gas flow pCi Dem C Handling Precautions e When feeding
5. 500 kPa The values for the gases other than air can be obtained by multiplying the specific gravities shown in the table below Specific gravity Argon 1 38 Carbon dioxide 1 53 With air as 1 0 Example The primary pressure is 20 kPa and the flowrate is 600 L min the pressure loss for argon is calculated as follows From the graph of CMS1500 the pressure loss is about 950 Pa when the primary pressure is 20 kPa and the flowrate is 600 L min Multiply this value by 1 38 the specific gravity of argon and the result is 950 X 1 38 1311 Pa 23 Revision History of CP SP 1119E Printed Aug 2001 Revised pages Description Dec 2002 Fully revised by addition of CMS1500B model Sep 2003 In features high rangeability added 7th caution corrected In mounting position new illustration added Measurement accuracy temperature characteristics pressure characteristics changed Pressure loss added Apr 2007 Allover revised Apr 2012 Company name changed Mar 2013 A CAUTION was changed 1 atmospheric pressure was changed to 1 atm Model selection guide table was changed CMS was deleted from diagrams Filter model No was changed in Filter installation section A description was added to diagram pulse was changed to 1 pulse Carbon dioxide was changed to Carbon dioxide CO3 Notes 1 and 2 were added
6. 5 E Winni ccc cece eee cere cece re E E 9 METHOD OF OPERATION E State transition diagrams ssesssessescsecsecseccee 12 E Function setup cccccccccc cece cee ccscscccccsccees 13 E Parameter setup ccccccccccccccccccscccccceeeceses 16 E Display OFF mode cece eee cece ecceeccecceeeees 17 E Totalization issih a5 av igpdra ennen EEE 17 E Resetting the count for integrated flow integrated flow countdown sssessssssesesesesosoeo 17 E Event standby cece cece cece cece ences cence eeees 17 E Event ON delay ccccecccccccecccncceeceeeseeeees 17 E Flowrate zero calibration cece cece cece eeeees 18 TROUBLESHOOTING E Remedying problems ccccceecccccecccceeeeces 19 SPECIFICATIONS H General specifications c cece eee c cree cece eneces 20 H External dimensions ccccceeccccceeecceeeeees 22 E Korean certification mark cece cece ee eccceeeeee 22 ME PRESSULENOSS ois sco si0ie 6 srotsinie S sre atnioie sinia e n Kb8 s eiere 0 0 23 Chapter1 INTRODUCTION E Introduction The CMS1500 Gas mass flow meter uses UFTM Micro Flow sensor in the sensing section The pF sensor is a thermal flow speed sensor made using proprietary technology Integrating this ultra minute flow speed sensor with high grade channel design technology has achieved high accuracy and high rangeability H Features e Incorporates a uF sensor made possi
7. gas into the meter make it flow following the arrow on the side of the channel If gas is fed in the opposite direction the gas flow cannot be measured accurately Chapter 3 MOUNTING AND WIRING Mounting the body CAUTION Q Mount this device horizontally However do not mount it horizontally with the display facing down Doing so might cause device failure If it is mounted verti cally a measurement error could occur e Mounting Position OK Correct x Wrong g IF LZ B A ee OK Correct 4 R TH g i G e Mounting Install this device from the rear by the four M5 screws using the mounting holes on the base of the device M5 depth 10 mm Wiring Chapter 3 MOUNTING AND WIRING A CAUTION When using a relay as the contact for integrated count reset input use a relay gold contact type for low currents Otherwise defective contact may cause the device to malfunction Q If there is a risk of a power surge caused by lightning use a surge absorber surge protector to prevent fire or device failure Q Be sure to check that the wiring is correct before you turn the power ON Incorrect wiring might cause damage or malfunction We recommend using a harness with connector sold separately Connector pin layo
8. the display state before the power was turned OFF resumes Power ON key key instantaneous flow rate display ea key held down for 3 s or more L min 20 m eo E E B Bj ia key Integrated flow or integrated e key flow countdown display last key four digits L min O Function setup HORE key 0L 0 B 88B le mode 7 Dot display ON key CTD key held down for Parameter setup 3 s or more mode ery ae Ge key Gos key GED key D key GP key ie Integrated flow or integrated flow countdown display first four digits vo BB B key xor 38 Dot display OFF w CJ Handling Precautions e Ifthe key is pressed during setup the setting returns to its previous value e Leave the device powered up for about 30 min before use to 12 allow it to stabilize E Function setup Chapter 4 METHOD OF OPERATION To enter the setup mode press the key The first two digits on the display blink The first two digits identify the function setup item and the second two digits indicate the setting for that item e Pressing the CYD key moves the display to the next setup item Pressing the Ca key moves to the previous setup item CE rey Dey Drey Y Meas rertienttiodeisetup GO rey Morey o J X X Event 1 type setup J g X X Communications setu
9. wipe the inside of the pipe to be directly connected to this device 3 After the above two operations are complete check to be sure that there is no welding fume particulate or dust and then install the device J Handling Precautions If foreign matter cannot be fully eliminated by flushing or wiping or if the regular presence of foreign matter can be expected be sure to install a filter If dust oil or moisture adheres to the metallic mesh or to the uF sensor chip mea surement error or device failure may result Filter installation For a dedicated filter contact the azbil Group For applications with compressed air or propane which regularly contain oil mist or applications where rust in the piping is expected be sure to install a filter Model Number MFF100NAG MFF100NSG Specifications For details refer to Lineup of Mist Sepa rators and Filters for Micro Flow Sensors Azbil Corporation specifications sheet CP SS 1824E Chapter 3 MOUNTING AND WIRING Straight pipe section In case of different diameter piping diameters A and B are different a straight pipe section is required Upstream side enlarged Downstream side reduced 2D 3D T cms cms gt T A B B A Different diameter socket Different diameter socket 2D 3D xt CMS J CMS f gt TF A B B A Upstream side reduced Downstream side enlarged D 3D I 7 cs
10. 4 is G4 C Handling Precautions e Set a value for event output that is within the measurable range 16 Chapter 4 METHOD OF OPERATION E Display OFF mode E Totalization If the key is held down for at least three seconds all display is turned off except for the instantaneous flow rate indicator lamp which blinks If the key is pressed in display OFF mode the instantaneous flow rate is displayed If integrated flow exceeds F777 the count returns to and counting continues When this happens event output for integrated flow remains OFF until the set value is reached again If the integrated flow countdown reaches 4 counting stops E Resetting the count for integrated flow integrated flow countdown E Event standby E Event ON delay To reset the count hold down the CD and CX keys simultaneous ly for at least one second while the integrated amount or integrated countdown amount is displayed The integrated flow count is reset to i and the countdown is reset to the default After reset counting up or counting down resumes Event standby operates only on the basis of the instantaneous flow rate lower limit This function prevents an erroneous low flow alarm when there is no gas flow because the device has just started up for example After the power is turned ON and until the instantaneous flow rate has exceeded the value set for the event lower limit there is no event action After the instantaneous flo
11. ble by silicon micro machining technology and thin film forming technology One side of the uF sensor is a mere 1 7 mm and at a thickness of 0 5 mm this thermal flow speed sensor exhibits high sensitivity and response e As the CMS1500 is a mass flow meter it is not influenced by tem perature nor pressure e High accuracy of 5 RD and high rangeability of 50 1 e Models with display meter are provided with extensive functions to suit a wide range of applications analog output event output integrating reverse integrating display output scaling gas type selection e Through the RS 485 communications the integrated flowrate can be read out correctly Note RD Reading indicates the accuracy of the read value E Model selection guide The following shows the model Nos for this flow meter i Optional pasc Flowrate Model Mate Connection Gas Out Rhetor Appended D aserictioa range type rial method type put No p No 1 2 3 4 Gas Mass Flow Meter Standard flowrate range 0 to 1500 L min standard With display flow direction left to right With display flow direction right to left 1500 Aluminium Rc1 Air Nitrogen Argon Carbon dioxide CO2 Analog output 0 5 Vdc 1 5 Vdc 4 20 mA With RS 485 communications Without optional function Additional treatment not supported 0 Without options Inspectio
12. curacy is for air nitrogen 4 This is the amount of flow rate change at 101 325 kPa with 23 C as the reference point 5 This is the amount of flow rate change at 23 C with 101 325 kPa as the reference point 6 Analog output scaling can be changed by using the keys If the gas type is changed the flow rate measurement range changes accordingly as shown in the table above However with this function analog output is scaled according to the analog output scaling setting even if the gas type is changed 21 Chapter 6 SPECIFICATIONS E External dimensions The engineering drawings below show the CMS1500B with left to right flow direction The CMS1500R with right to left flow direction has the same dimensions Unit mm 185 5 N f TT T T 140 4 M5 depth 10 min ly A a E Korea Certifications Mark 0 7I7l AP SAS UH 73871712A EHA EE AF SHE OHS FOQIs A 7 H EHH AFBI RIAA AS KCC REM A2B A010 ag s402 Lc 22 E Pressure loss CMS1500 4500 4000 3500 3000 2500 4 2000 Pressure loss Pa 1500 a 1000 l Flowrate L min standard The graph shows the data in air o 300 600 900 1200 1500 Chapter 6 SPECIFICATIONS Primary pressure 20 kPa 350 kPa
13. e 3 1 FS 1 digit 30 lt X lt 150 L min 5 RD 1 digit 150 lt X lt 1500 L min Temperature characteristics between 10 to 60 C 4 0 1 FS C 1 digit 0 lt X lt 1125 L min 0 15 FS C 1 digit 1125 lt x lt 1500 L min Pressure char acteristics 5 Operating pressure 0 to 0 6 MPa 1 FS 1 digit 30 lt X lt 150 L min 5 RD 1 digit 150 lt X lt 1500 L min Pressure range 0 to 0 6 MPa Pressure resistance 1 0 MPa Rated voltage 12 to 24 Vdc Supply voltage range 11 4 to 25 2 Vdc Current consumption 100 mA max Sampling cycle 100 ms 10 ms Display Flow rate display Instanta Min display 4 digit 7 segment LED selectable between instantaneous flow rate and integrated flow display 15 L min neous flow rate Resolution 5 L min Inte Display unit 10L grated Display range 0 to 99999999 flow rate Data storage Data is written to memory every 10 minutes Integrated flow count or countdown can be reset by control panel key or external contact input Indicator LEDs Instantaneous flow rate display integrated flow display event 1 amp 2 display Output signal instantaneous flowrate output If 0 5 or 1 5 Vdc is selected Allowable load resistance 250 kQ min Even if the measurement range is exceeded output remains less than 6 V If 4 20 mAdc is selected
14. ectric Co DF 11 10DS 2C Operating temperature range 10 to 60 C Storage temperature range Operating humidity range 20 to 70 C 10 to 90 RH condensation not allowed Connection aperture Rc1 Body material Aluminum Cover material Mounting position Polycarbonate resin Horizontal mounting Top surface must not face down If this device is mounted vertically drift may cause erroneous measurement when the actual flow rate is zero For details contact the azbil Group Standard compliance EN61326 1 2006 EN61326 2 3 2006 Mass Approx 3 kg 1 The flow rate range is for air Because this device has a gas type switching function the device keys can be used to switch from one gas type to another For the maximum measurable flow rate and output voltage for various gas types see the table below Gas type Air Nitrogen Argon Maximum measurable flow rate Output voltage Setting and display L min standard V resolution L min 1500 5 5 1500 Carbon dioxide CO2 900 User specified 1500 L min x conversion factor C F Users can set the conversion factor from 0 100 to 8 000 In addition analog output scaling can be changed by using the keys 2 Gas types other than those listed above can be handled by using a conversion factor For de tails contact the Azbil Group 3 Measured flow rate x L min standard The stated ac
15. eous flow rate lower limit value ntegrated flow count up Reverse integrated flow count down Totalizer pulse output rate 10 L 1 pulse Totalizer pulse output rate 100 L 1 pulse Totalizer pulse output rate 1000 L 1 pulse Integrated flow count integrated flow countdown and totalizer pulse output settings are effective only when function setup item Gd is set tod ford Integrated flow count and integrated flow countdown cannot be set simultaneously gp ON delay setting EV1 zas Z ON delay setting EV2 Event standby setting Disabled ON Disabled ON Disabled ON Valid only when function Osis set tod or ie Valid only when function Tis set to for tz Valid only when function rae AD OF or 84 is set to G2 F Page 17 Gas type selection Air nitrogen Argon Carbon dioxide CO2 User specified When gas type is changed sometimes flowrate measure ment rate changed CF Page 20 If set to M8 also set the gas type conversion factor in parameter setup mode 2 g io Analog output scaling cacy Po al co Ne 0 to 1500 L min 0 to 900 L min 0 to 600 L min 0 to 300 L min Desired scaling 1 Analog output type selection Oto5V 1to5V 4to20mA Make sure that the selected analog output type matches the input type of the receiving device Reference temperature 0 to 35 C in 1 C intervals 101 325 kPa 1 atm standard Low flow cutof
16. f DOPE a No low flow cutoff Cutoff below the rated minimum display 15 L min 15 L min 37 5 L min 75 L min If gas type function setup 4 is set to user specified 78 the low flow cutoff is the amount set here multiplied by CF the gas type conversion parameter setup 98 i and G2 are the same value 8 Chapter 4 METHOD OF OPERATION Factory setting Remarks Function i Setting description Communications Communication function disabled address Communication address Transmission 9600 bps speed 4800 bps 2400 bps Data format 8 data bits even parity 1 stop bit i 8 data bits no parity 2 stop bits 1 If gas type selection function setup 4 is changed the measurable flow rate range changes as specified on page 21 Maximum measurable flow rate for each gas type However scaling according to the analog output scaling setting will be applied to the output regardless of what gas type is selected Example If gas type function setup 44 is changed to 2 carbon dioxide CO2 the measurable flow rate range changes to 0 to 900 L min If scaling is set to 44 0 to 1500 L min the 0 to 5 V output will be as shown below Voltage output V SOO 2eeccens ribet ee 0 Measurement range of carbon dioxide CO2 900 1500 Flowrate L min It the output type is 0 to 5 V and if output scaling is used the maximum output voltage can be calcula
17. flammable gases Materials of this device are not selected on the premise that it is used for oxygen or flammable gases In addition oil inhibiting treatment is not performed to the gas contacting sec tions ACAUTION 0000 Prevent foreign matter from entering the device If the rust water droplet oil mist or dust in the piping flows into the device mea surement error might occur and result in damaging the device If there is a possibility that any foreign matter flows into the device provide a fil ter strainer or mist trap capable of eliminating more than 1 um foreign matter at the upstream and periodically inspect and replace the filter Do not use this device outside of the operating pressure range Also do not sub ject this device to a pressure above the pressure resistance Doing so might damage this device Do not peel off the pipe connector port seals until immediately before you con nect the piping Doing so might allow foreign objects to enter the connector port and cause defective operation When connecting piping fasten the hexagonal section of the pipe connector port and turn the pipe side to connect When mounting the device firmly fasten to prevent vibration Do not overapply sealant Allowing entry of dirt or burrs inside the pipes might cause error Do not hold a resin cover portion at the time of carrying or piping this device Doing so might damage the cover or dropping the device due to sli
18. flow is 100 x 10 L FO0100 T00000100 CR L 100X10L ODh OAh Totalizer flow rate 100 L min standard Instantaneous flow rate e Communications specifications Description Communications system RS 232C start stop transmission Transmission speed 9600 bps Character length 8 bits Stop bit 2 Parity None Data transmission cycle 100410 ms 11 Chapter 4 METHOD OF OPERATION CAUTION S Do not operate the keys with a mechanical pencil screwdriver or other sharp tipped object Doing so might cause faulty operation Q Make sure that the selected analog output type matches the input type of the receiving device The output receiving device could be damaged if the analog output type selection is incorrect E State transition diagrams Upon power up with the factory settings the instantaneous flow rate is displayed and the instantaneous flow rate indicator lamp lights up The diagram below shows the relationship between a change in mode and the display If the measurement mode function setup item 2 is set to i or fz the last four digits of the integrated flow or integrated flow countdown can be displayed by pressing the key while the instantaneous flow rate is displayed Pressing key again displays the first four digits of the integrated flow or integrated flow countdown Pressing key again returns the display to the instantaneous flow rate When the power is turned OFF and then back ON again
19. her than zero e Check if the gas contains foreign matter such as dust rust oil or water If it seems that there is foreign matter in the flow meter contact the azbil Group and ask for repair The indicated instanta neous flow rate is zero but the integrated flow counting up or counting down Check the piping for any gas leaks and check if the gas flow has actually stopped e Even if the instantaneous flow rate display is zero a minute flow smaller than the minimum display value of the flowmeter might be present For integrated measurements even a flow under the minimum display value is counted Set the low flow cutoff to prevent integrated flow countup or countdown CF Function setup page 13 19 Chapter 6 SPECIFICATIONS E General specifications Item Specifications Applicable gas Air nitrogen Argon Carbon dioxide CO2 Not applicable to oxygen and flam mable gases Gas must not contain corrosive components chlorine sulfur acid etc It also must be a clean gas which does not contain dust or oil mist Flow range 0 to 1500 L min standard Standard indicates the standard calibration condition 20 C 101 325 kPa 1 atm Maximum measured Air nitrogen 0 to 1500 L min flowrate for each gas Argon 1500 L min at 20 C 101 325 kPa 2 Carbon diox ide CO2 900 L min Measurement accuracy at 23 C and 101 325 kPa x measured flow rat
20. n certificate provided Traceability certification provided 0 Product version Note L min standard refers to a flowrate after conversion to 20 C in air 101 325 kPa 1 atm P Chapter 2 NAMES AND FUNCTIONS OF PARTS The following describes the names and functions of parts Instantaneous flowrate indicator lamp EV1 EV2 indicators Lights when event 1 and event 2 are output Flowrate display Lights when instantaneous flowrate is displayed Integrated flowrate indicator lamp Lights when integrated flowrate is displayed key Change the display key Select the setup mode Signal connector Connects the power supply and output signals 7 segment display indicates flowrate by a 4 digit number While function setup the upper two digits on the display indicate the function type and the lower two digits indicate the setup Display meter COE keys Dey Select the mode and the mode setup Fix a mode setup Pipe connection outlet The gas outflow is connected here OUT Pipe connection inlet The gas inflow is connected here IN Chapter 3 MOUNTING AND WIRING S AWARNING Do not use this device for oxygen or
21. nternal circuit External connection example CJ Handling Precautions Power source GND instantaneous flow rate output and event output common lines are all connected inside this device If these lines are connected to an external device through a common power supply interference will cause device failure or faulty operation Take care that the event output does not exceed the output rating of this device If a relay is used the coil should have a built in surge absorption diode Otherwise device failure could occur 10 Chapter 3 MOUNTING AND WIRING Connection of totalizer pulse output to a counter Non voltage input type 8 O EV2 Input K Counter 10 EVCOM Z e Voltage input type r 30 Vdc or less X Pull up resistor J 8QJEv2 Input Counter 10 EVCOM U OV Use of flow rate serial data output e Connection example 5 2 5V RS 232C 100k roog driver 9 EV1 gt gt O RxD N 10 _ EvCOM J a O GND CMS le RTS Lo as Interface Computer RS 232C port Interface section must be made by the user as shown above e Communications protocol Currently displayed instantaneous flow rate data and totalizer flow data is sent as ASCII code F and the instantaneous flow rate data is sent first followed by T and the totalizer flow data Example The instantaneous flow rate is 100 L min standard and the totalizer
22. p Qy a e Pressing CYD key when 32 is displayed changes the display to 2 4 32 c e Pressing CE key when i is displayed changes the display to 2 e When the first two digits display the desired setup item press the key while it is blinking This selects the setup item and the second two digits blink e Press the CAD and Cy keys to select the desired setting and then press Cent key All four digits light up e Check that the item and the setting are correct e The table on the following pages shows all the functions and set tings 13 Chapter 4 METHOD OF OPERATION Function setup menu Item Function Setting Key lock Setting description Key lock disabled Lock ON Factory setting When key lock is ON other function and parameter settings can be checked but cannot be changed Measurement mode nstantaneous flow rate and integrated flow are measured nstantaneous flow rate and integrated flow countdown are measured Only instantaneous flow rate is measured cm z3 AO Te Event 1 type EV1 op C3 C3 C3 CJ EI rr aT Not used nstantaneous flow rate upper limit value nstantaneous flow rate lower limit value ntegrated flow count up Reverse integrated flow count down Flow rate data serial output Error output g io Event 2 type EV2 eye ID FR AER e e pix 2 ADAR Not used nstantaneous flow rate upper limit value nstantan
23. pping might result in getting hurt Do not remove a resin cover and disassemble pipe connections Doing so might cause malfunction Chapter 3 MOUNTING AND WIRING E Mounting Installation site Avoid mounting the CMS1500 in the following locations 1 Locations where operating temperature falls below 10 C and rises above 60 C 2 Locations where operating humidity exceeds 90 RH 3 Locations subject to sudden changes in temperature and condensa tion 4 Locations subject to corrosive gases and flammable gases 5 Locations where there are lots of conductive substances e g dust salt or iron dust water droplets oil mist or organic solvents 6 Locations subject to vibration or shock 7 Locations subject to direct sunlight 8 Locations splashed by water or rain 9 Locations subject to splashing by fluids e g oil chemicals 10 Locations where strong magnetic or electrical fields are generated Chapter 3 MOUNTING AND WIRING E Pipes Precautions for piping installation This device is a precision instrument If foreign matter such as dust oil mist or water enters the device it may cause measurement error or faulty operation When installing piping be sure to follow the proce dures below to prevent foreign matter from entering the device 1 Before installing the device be sure to flush the upstream and downstream piping thoroughly to remove welding fume particu late and dust 2 Be sure to
24. t occur and result in damaging the device If there is a possibility that any foreign matter flows into the device provide a filter strainer or mist trap capable of eliminating more than 1pm foreign matter at the upstream and periodically inspect and replace the filter This device is a precision instrument Do not drop it nor subject it to shock Doing so might damage the device Do not operate the keys with a propelling pencil or sharp tipped object Doing so might cause faulty operation Do not use this device outside of the operating pressure range Also do not sub ject this device to a pressure above the pressure resistance Doing so might damage this device Do not peel off the pipe connector port seals until immediately before you con nect the piping Doing so might allow foreign objects to enter the connector port and cause defective operation When connecting piping fasten the flange section of the pipe connector port and turn the pipe side to connect When mounting the device firmly fasten to prevent vibration Do not overapply sealant Allowing entry of dirt or burrs inside the pipes might cause error Mount this device horizontally However do not mount it horizontally with the display facing down Doing so might cause device failure If it is mounted verti cally a measurement error could occur 2900 Oo YOO When using a relay as the contact for integrated count reset input
25. tage and polarity is being sup plied Make sure that connectors are correctly connected TO he FiLH iis displayed The instantaneous flow rate has exceeded 120 of the measurement range Reduce the flow rate so that it is within range and normal operation will automatically resume Err is displayed Sensor error Make sure that gas is not flowing back or the gas flow direction is not reversed e Make sure that an excess current is not flowing If the unit is not restored after turning the power OFF contact the azbil Group and ask for repair Err is displayed Memory data error Contact the azbil Group and ask for repair Signal is output even though the flowrate should be zero Check the piping for any gas leaks e Check the wiring to make sure that it is correct If the device is mounted vertically mount it horizontally If it seems pos sible that the sensor s zero point has shifted try flow rate zero calibration page 18 Flow rate has deviated excessively Check the piping for any gas leaks Check the piping and connection ports for dirt oil or other foreign matter If oily contact the azbil Group and ask for repair e Check the wiring to make sure that it is correct Check if the flow rate is extremely unstable or greatly exceeds the mea surement range The displayed value is lower than expected There should be no flow but the indicated flow rate is hig
26. ted as follows e When gas types i to Hz are selected Max measurable flow rate for the gas X5V Scaling upper limit value e When gas type 4 is selected Max measurable flow rate for the gas 1 Scaling upper limit value Gas type conversion factor X5V For the maximum measurable flow rate for each gas see page 20 The gas type conversion factor is set in parameter setup see pages 16 2 The user can specify any desired gas conversion factor to handle gas mixtures and gases other than the standard compatible ones For details regarding gas conversion factors contact the Azbil Group 15 Chapter 4 METHOD OF OPERATION E Parameter setup If the key lock function is ON parameter settings cannot be changed To enter the parameter setup mode hold down the and Cy keys simultaneously for at least three seconds If conditions do not allow parameter setup P is displayed Otherwise in parameter setup mode P is displayed The last two digits identify the parameter setup item Pressing the CYD key moves the display to the next setup item Pressing the Ca key moves to the previous setup item The currently set value for that item is displayed If the CENT key is pressed again the last digit blinks TITA If you press the key the blinking cursor moves to the left To change the setting at each of these digits use the GA and CYD keys To change the setting to the displayed value press the CENT key If e
27. tions are indicated Warnings are indicated when mishandling this product might WARNING result in death or serious injury Cautions are indicated when mishandling this product might result CAUTION in minor injury to the user or physical damage to the product E In describing the product this manual uses the icons and conventions listed below A Use caution when handling the product S The indicated action is prohibited Be sure to follow the indicated instructions CJ Handling Precautions Handling Precautions indicate items that the user should pay attention to when handling the CMS1500 Note Notes indicate information that might benefit the user LF This indicates the item or page that the user is requested to refer to 1 2 3 The numbers with the parenthesis indicate steps in a sequence or indicate corresponding parts in an explanation OFF This indicates 7 segment indication on the setup display key This indicates a key on the setup display Safety Precautions WARNING Do not use this device for oxygen or flammable gases Materials of this device are not selected on the premise that it is used for oxygen or flammable gases In addition oil inhibiting treatment is not performed to the gas contacting sections CAUTION Prevent foreign matter from entering the device If the rust water droplet oil mist or dust in the piping flows into the device mea surement error migh
28. use a relay gold contact type for low currents Otherwise defective contact may cause the device to malfunction CAUTION If there is a risk of a power surge caused by lightning use a surge absorber surge protector to prevent fire or device failure Be sure to check that the wiring is correct before you turn the power ON Incorrect wiring might cause damage or malfunction Do not remove a resin cover and disassemble pipe connections Doing so might case malfunction Do not hold a resin cover portion at the time of carrying or piping this device Doing so might damage the cover or dropping the device due to slipping might result in getting hurt 00e Make sure that the selected analog output type matches the input type of the receiving device The output receiving device could be damaged if the analog output type selection is incorrect Contents Conventions Used in This Manual Safety Precautions Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 INTRODUCTION Mi Introduction ccc cece cece cece cece cece nee aaas 1 ME Features ccc cccccccccccccccccccccccsssccccccereesces 1 E Model selection guide ccccceccccccccceeccveceees 1 NAMES AND FUNCTIONS OF PARTS eseeeeee 2 MOUNTING AND WIRING E Mounting cc cece cece ccccccecccceeccsceeecsseevccees 4 MEPIpes ccc cece cece cece cre cenceeecsceeeceseeeesseeeceees
29. ut 1 9 OOOO View from connector end OOOOIG 7 10 Compatible connector DF11 10DS 2C made by HIROSE ELECTRIC CO LTD Harness 2 m for model without communications plain wire termination Harness with dedicated 81446594 005 connector One harness is required for one CMS unit 81446594 006 Harness 5 m for model without communications plain wire termination 81446594 007 Harness 2 m for model with communications M3 5 Y terminals 81446594 008 Harness 5 m for model with communications M3 5 Y terminals e Connector signal names Pin number Signal name Description Remarks DC OUT Instantaneous flowrate output DC OUT Instantaneous flowrate output V Power 12 to 24 Vdc GND Power GND DA DB For RS 485 communications Connect RS 485 model only DIN Integration count reset input EV2 Event 2 output Integration pulse output 1 2 3 4 5 6 7 8 9 EV1 Event 1 output Serial data output oO EVCOM SG Event output common SG for RS 485 Chapter 3 MOUNTING AND WIRING Connection example DC OUT Brown DC OUT Red V Orange gt 12 to 24 Vdc L GND Yellow DA Pink l RS 485 pii Blue communication Installed externally DIN Green P Lo OF Load 30 Vdc 50 mA or less EV2 Gray a EVI White Load Sy 30 Vdc or less 30 Vdc 50 mA EVCOM SG Black F less l I
30. vent type function setup 13 or 74 has been set to 13 or 9 the wed se mee setting of 8 digit numbers is necessary in 5 4 2 and i77 To do this switch between the first 4 digits and the last 4 digits as shown below Last four digits Ci ey First four digits 56686 Dot indicates display CD ey of last four digits Whether parameters 7 to 74 are displayed for setup depends upon the function settings The following tables show the parameters and the necessary function settings Conditions for display Parameter Description Factory settin Setting range 7 N P 7 i eats function settings Event output 1 setting value O to 9995 L min EV1 Beo00008 0 to 99999999 x 10 L Event output 2 setting value 0 to 9995 L min tem 4 is Bor de EV2 0 to 99999999 X 10 L Item GY is 23 or OY 0 to 100 L min tem OF is for he 3 c3 go co oo oo es es T3 oo wry gt ax 0 As r EV1 hysteresis 0 to 100 L min tem OY is O14 or Be wry gt oo Po Po ro A ax 0 Be ag EV2 hysteresis EV1 ON delay 0 to 60 s tem SFist fork EV2 ON delay 0 to 60 s tem MY iso Initial value for integrated HH O to 99999999 X 10 L Gt is flow countdown me on co on d 0 o r en ep cx co co a aj oF ax 0 Gas type conversion factor A 0 100 to 8 000 tem 88 is 08 Analog output scaling 10 to 250 tem 8
31. w lower limit has been exceeded once event action operates normally Instantaneous flow rate value 4 No event action gt Event action Lower limit setting value gt Time Event output OFF ON delay times 0 to 60 s can be set for both events 1 and 2 Event output ON delay time OFF Instantaneous flow rate value Event detected 17 Chapter 4 METHOD OF OPERATION E Flowrate zero calibration 18 If the indicated flow rate is not zero even though the actual flow rate is zero and it seems possible that the sensor s zero point may have shifted try the following procedure for flow rate zero calibration 1 Display the flow rate or integrated flow amount 2 Press and hold the key 3 After approx 10s have elapsed amp Fi blinks on the flow rate display 4 Press and hold key again 5 After approx 1 second AL stops blinking and remains lit The amount of sensor output at this moment is now treated as zero 6 Press key to return to the instantaneous flow rate or inte grated flow display CJ Handling Precautions e Use flow rate zero calibration only after ensuring that the flow path contains only the gas being measured and after stabilizing the actual flow rate at zero Chapter 5 TROUBLESHOOTING E Remedying problems Refer to the following table if a problem occurs Problem Countermeasure Nothing on the display Make sure that power with the correct vol
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